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Otter, Illinois Weather Forecast
Otter, Illinois Weather
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Weather Forecast for Otter, Illinois : LaSalle County
Issued: 6:06 am CST Dec 7, 2025 Latitude: 41.1792007 Longitude: -88.7786846 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
70% chance of snow on Today Mostly Cloudy on Tonight Partly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain & snow on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
High: 20 °F Low: 11°F High: 23°F High: 38°F High: 36°F High: 26°F High: 16°F High: 11°F
Low: 14°F Low: 34°F Low: 19°F Low: 8°F Low: -1°F  
Snow Mostly Cloudy Partly Sunny Partly Sunny Rain & Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
30°
Feels like 20°F
Cloudy
Light Snow
as of 5:55 AM CST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 3 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
12 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
PERU - (KVYS)
30°
Feels like 19°F
Cloudy
Light Rain
as of 5:55 AM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 4 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
15 MPH
040° Northeast
Cloud Level(s): Broken at 600ft, Solid Overcast at 1200ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
30°
Cloudy
Light Snow
as of 5:55 AM CST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 2 1/2 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Scattered at 700ft, Solid Overcast at 1200ft
70% chance of snow Today Today... Snow likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 20 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 11. North wind 5 to 10 mph, with gusts as high as 15 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 23. Calm wind becoming south southeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 14. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 38. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

70% chance of rain Tuesday Night Tuesday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.

20% chance of rain & snow Wednesday Wednesday... A slight chance of rain and snow showers before noon. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 20%.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 19.

20% chance of snow Thursday Thursday... A chance of snow after noon. Mostly cloudy, with a high near 26.

20% chance of snow Thursday Night Thursday Night... A chance of snow before midnight. Mostly cloudy, with a low around 8.

Partly Sunny on Friday Friday... Partly sunny, with a high near 16.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -1.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 11.

Sun Almanac for Otter, Illinois
Sunrise: 07:07 AM
Sunset: 4:26 PM
Civil Sunrise:06:36 AM
Civil Sunset: 4:57 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:05 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.